WO2021125861A3 - 이방향성 전기강판 및 그의 제조방법 - Google Patents

이방향성 전기강판 및 그의 제조방법 Download PDF

Info

Publication number
WO2021125861A3
WO2021125861A3 PCT/KR2020/018615 KR2020018615W WO2021125861A3 WO 2021125861 A3 WO2021125861 A3 WO 2021125861A3 KR 2020018615 W KR2020018615 W KR 2020018615W WO 2021125861 A3 WO2021125861 A3 WO 2021125861A3
Authority
WO
WIPO (PCT)
Prior art keywords
double
steel sheet
electrical steel
oriented electrical
manufacturing
Prior art date
Application number
PCT/KR2020/018615
Other languages
English (en)
French (fr)
Other versions
WO2021125861A2 (ko
Inventor
문현우
이세일
Original Assignee
주식회사 포스코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to US17/785,240 priority Critical patent/US20230035269A1/en
Priority to CN202080097275.5A priority patent/CN115151674B/zh
Priority to JP2022537582A priority patent/JP2023508295A/ja
Priority to EP20901862.1A priority patent/EP4079890A4/en
Publication of WO2021125861A2 publication Critical patent/WO2021125861A2/ko
Publication of WO2021125861A3 publication Critical patent/WO2021125861A3/ko

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1222—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1261—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1266—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest between cold rolling steps
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C21D8/1283—Application of a separating or insulating coating
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

본 발명의 일 실시예에 의한 이방향성 전기강판은 ｛100｝<001>로부터 15° 이내의 방위를 갖는 결정립의 분율이 50 내지 75 %이고, {100}<380> 로부터 15° 이내의 방위를 갖는 결정립의 분율이 50 내지 75 %이다.
PCT/KR2020/018615 2019-12-20 2020-12-17 이방향성 전기강판 및 그의 제조방법 WO2021125861A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US17/785,240 US20230035269A1 (en) 2019-12-20 2020-12-17 Double-oriented electrical steel sheet and manufacturing method therefor
CN202080097275.5A CN115151674B (zh) 2019-12-20 2020-12-17 双取向电工钢板及其制造方法
JP2022537582A JP2023508295A (ja) 2019-12-20 2020-12-17 二方向性電磁鋼板およびその製造方法
EP20901862.1A EP4079890A4 (en) 2019-12-20 2020-12-17 DOUBLE ORIENTATION ELECTRIC STEEL SHEET AND METHOD FOR MANUFACTURING SAME

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190171868A KR102323332B1 (ko) 2019-12-20 2019-12-20 이방향성 전기강판 및 그의 제조방법
KR10-2019-0171868 2019-12-20

Publications (2)

Publication Number Publication Date
WO2021125861A2 WO2021125861A2 (ko) 2021-06-24
WO2021125861A3 true WO2021125861A3 (ko) 2021-08-12

Family

ID=76477968

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/018615 WO2021125861A2 (ko) 2019-12-20 2020-12-17 이방향성 전기강판 및 그의 제조방법

Country Status (6)

Country Link
US (1) US20230035269A1 (ko)
EP (1) EP4079890A4 (ko)
JP (1) JP2023508295A (ko)
KR (1) KR102323332B1 (ko)
CN (1) CN115151674B (ko)
WO (1) WO2021125861A2 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230094866A (ko) * 2021-12-21 2023-06-28 주식회사 포스코 이방향성 전기강판 및 그의 제조방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030054427A (ko) * 2001-12-24 2003-07-02 주식회사 포스코 저철손 및 고자속밀도를 갖는 방향성 전기강판의 제조방법
KR20120071820A (ko) * 2010-12-23 2012-07-03 주식회사 포스코 자성이 우수한 방향성 전기강판 및 이의 제조방법
KR20170074635A (ko) * 2015-12-22 2017-06-30 주식회사 포스코 방향성 전기강판의 제조 방법
KR20190034622A (ko) * 2016-07-29 2019-04-02 제이에프이 스틸 가부시키가이샤 방향성 전기 강판용 열연 강판 및 그 제조 방법, 그리고 방향성 전기 강판의 제조 방법
KR20190077890A (ko) * 2017-12-26 2019-07-04 주식회사 포스코 방향성 전기강판 및 그의 제조방법

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB917282A (en) * 1958-03-18 1963-01-30 Yawata Iron & Steel Co Method of producing cube oriented silicon steel sheet and strip
GB1000303A (en) * 1960-09-03 1965-08-04 Yawata Iron & Steel Co A method of improving the magnetic induction of doubly-oriented silicon steel strips
EP0318051B1 (en) * 1987-11-27 1995-05-24 Nippon Steel Corporation Process for production of double-oriented electrical steel sheet having high flux density
DE69129130T2 (de) * 1990-04-12 1998-10-22 Nippon Steel Corp Verfahren zum Herstellen doppeltorientierter Elektrobleche mit hoher magnetischer Flussdichte
JP3316854B2 (ja) * 1996-11-01 2002-08-19 住友金属工業株式会社 二方向性電磁鋼板およびその製造方法
JP4123629B2 (ja) * 1999-04-23 2008-07-23 Ｊｆｅスチール株式会社 電磁鋼板およびその製造方法
JP3870625B2 (ja) * 1999-09-27 2007-01-24 住友金属工業株式会社 二方向性電磁鋼板の製造方法
US6562473B1 (en) * 1999-12-03 2003-05-13 Kawasaki Steel Corporation Electrical steel sheet suitable for compact iron core and manufacturing method therefor
JP4300661B2 (ja) * 1999-12-17 2009-07-22 住友金属工業株式会社 磁気特性に優れる二方向性珪素鋼板の製造方法
JP4277432B2 (ja) * 1999-12-27 2009-06-10 住友金属工業株式会社 低磁歪二方向性電磁鋼板
JP2003231922A (ja) * 2002-02-07 2003-08-19 Sumitomo Metal Ind Ltd 低鉄損低磁歪珪素鋼板の製造方法
JP2004084034A (ja) * 2002-08-28 2004-03-18 Sumitomo Metal Ind Ltd 二方向性電磁鋼板の製造方法
JP2005179745A (ja) * 2003-12-19 2005-07-07 Jfe Steel Kk 二方向性電磁鋼板の製造方法
JP2008150697A (ja) * 2006-12-20 2008-07-03 Jfe Steel Kk 電磁鋼板の製造方法
PL3162907T3 (pl) * 2014-06-26 2021-09-27 Nippon Steel Corporation Blacha cienka ze stali elektrotechnicznej
CN107217198B (zh) * 2017-06-01 2018-10-09 东北大学 一种基于薄带连铸制备旋转立方双取向硅钢的方法
KR102009834B1 (ko) * 2017-12-26 2019-08-12 주식회사 포스코 이방향성 전기강판 및 그의 제조방법
KR101842417B1 (ko) * 2018-01-05 2018-03-26 포항공과대학교 산학협력단 (100) 집합조직으로 구성된 전기강판 및 그의 제조방법
KR101877198B1 (ko) * 2018-01-16 2018-07-10 포항공과대학교 산학협력단 무방향성 전기강판 및 그 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030054427A (ko) * 2001-12-24 2003-07-02 주식회사 포스코 저철손 및 고자속밀도를 갖는 방향성 전기강판의 제조방법
KR20120071820A (ko) * 2010-12-23 2012-07-03 주식회사 포스코 자성이 우수한 방향성 전기강판 및 이의 제조방법
KR20170074635A (ko) * 2015-12-22 2017-06-30 주식회사 포스코 방향성 전기강판의 제조 방법
KR20190034622A (ko) * 2016-07-29 2019-04-02 제이에프이 스틸 가부시키가이샤 방향성 전기 강판용 열연 강판 및 그 제조 방법, 그리고 방향성 전기 강판의 제조 방법
KR20190077890A (ko) * 2017-12-26 2019-07-04 주식회사 포스코 방향성 전기강판 및 그의 제조방법

Also Published As

Publication number Publication date
US20230035269A1 (en) 2023-02-02
EP4079890A2 (en) 2022-10-26
KR102323332B1 (ko) 2021-11-05
JP2023508295A (ja) 2023-03-02
CN115151674A (zh) 2022-10-04
EP4079890A4 (en) 2024-06-05
CN115151674B (zh) 2024-03-26
WO2021125861A2 (ko) 2021-06-24
KR20210079754A (ko) 2021-06-30

Similar Documents

Publication Publication Date Title
MX2022001018A (es) Electrodos metalicos de bajo costo.
MX2019003208A (es) Lamina de acero electrico orientado en grano y metodo para fabricar la misma.
WO2016104813A8 (ja) 方向性電磁鋼板およびその製造方法
SG11201909620RA (en) Cold rolled steel sheet for drawn can and method for manufacturing same
WO2016084378A8 (ja) 方向性電磁鋼板の製造方法
EP4079896A4 (en) NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD OF MANUFACTURING THEREOF
WO2016111388A8 (ko) 인장강도 1300ＭＰａ 이상의 초고강도 도금강판 및 이의 제조방법
MX2019015302A (es) Metodo de soldadura con arco y alambre solido.
WO2021138046A8 (en) Strap-segment-cutting system
MX2018013747A (es) Revestimiento de control de la corrosion.
WO2021125861A3 (ko) 이방향성 전기강판 및 그의 제조방법
EP3766123A4 (en) NEW BATTERY SYSTEMS BASED ON TWO-ADDITIVE ELECTROLYTE SYSTEMS INCLUDING 2-FURANONE, AND THEIR TRAINING PROCESS
WO2019088534A3 (ko) 이차전지용 전극의 제조 방법
WO2017052273A8 (ko) 도장 선영성이 우수한 도금강판의 제조방법 및 이에 의해 제조된 도금강판
WO2021042058A3 (en) Recombinant host cells for the production of malonate
CN107867021A (zh) 一种复合阻尼钢板
WO2021125902A3 (ko) 방향성 전기강판 및 그 자구미세화 방법
EP4079891A4 (en) NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING THEREOF
EP4079894A4 (en) HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND PROCESSING METHOD THEREOF
WO2018025085A3 (en) High throughput cell-based screening for aptamers
WO2020130644A3 (ko) 무방향성 전기강판 및 그 제조방법
EP3992325A4 (en) NON-ORIENTED ELECTROSTEEL SHEET AND METHOD OF MANUFACTURE THEREOF
WO2020111783A3 (ko) 무방향성 전기강판 및 그 제조방법
WO2019106437A3 (en) Matching bids for work with offers for work
EP3901312A4 (en) HIGH STRENGTH HOT-ROLLED STEEL SHEET WITH EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING ITEM

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20901862

Country of ref document: EP

Kind code of ref document: A2

ENP Entry into the national phase

Ref document number: 2022537582

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2020901862

Country of ref document: EP

Effective date: 20220720